Base Number Units

Base-10 [ base-10 ]

Base-11 [ base-11 ]

The undecimal (base-11) positional notation system is based on the number eleven. The undecimal requires eleven symbols 0-9 and A.

Base-12 [ base-12 ]

Duodecimal system (also known as base-12 or dozenal) is a positional notation numeral system using twelve as its base. The duodecimal requires twelve symbols such as: 0, 1, 2, 3 , 4, 5, 6, 7, 8, 9 , A and B.

Base-13 [ base-13 ]

Tridecimal, tredecimal, triskadecimal or base-13 is a positional numeral system with thirteen as its base. It uses 13 different digits for representing numbers. The digits for base 13 could be 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, and C.

Base-29 [ base-29 ]

Base-3 [ base-3 ]

Ternay or trinary is the base-3 numeral system. Ternary requireds only three symbols: 0, 1 and 2.

Base-30 [ base-30 ]

Trigesimal or base 30 is a positional numeral system using 30 as the radix. Digits in this base can be represented using the Arabic numerals 0-9 and the Latin letters A-T.

Base-31 [ base-31 ]

Unotrigesimal or base 31 is a positional numeral system using 31 as the radix. Digits in this base can be represented using the Arabic numerals 0-9 and the Latin letters A-U.

Base-32 [ base-32 ]

Duotrigesimal or base-32 is a numeral system with 32 as its base. Digits in this base can be represented using Arabic numerals 0-9 and the Latin letters A-V.

Base-33 [ base-33 ]

Base 33 numeral system is based on 33 different symbols (number 0-9 and letter A-W).

Base-34 [ base-34 ]

Base 34 numeral system is based on 34 different symbols (number 0-9 and letter A-X).

Base-35 [ base-35 ]

Base 35 numeral system is based on 35 different symbols (number 0-9 and letter A-Y).

Base-36 [ base-36 ]

Base 36 or hexatridecimal is a positional numeral system using 36 as the radix. The choice of 36 is convenient in that the digits can be represented using the Arabic numerals 0-9 and the Latin letters A-Z.

Base-4 [ base-4 ]

Quaternary is the base-4 numeral system. It uses the digits 0, 1, 2 and 3 to represent any real number.

Base-5 [ base-5 ]

Quinary (base-5) is a numeral system with five as the base. The base five is started from 0-4.

Base-8 [ base-8 ]

Base-9 [ base-9 ]

Binary [ base-2 ]

The binary numeral system, or base-2 number system, represents numeric values using two symbols: 0 and 1.

Decimal [ base-10 ]

The decimal numeral system (also called base ten or occasionally denary) has ten as its base.

Hexadicimal [ base-16 ]

Hexadecimal (also base 16, or hex) is a positional numeral system with a radix, or base, of 16. It uses sixteen distinct symbols, most often the symbols 0-9 to represent values zero to nine, and A,B,C,D,E,F.

Octal [ base-8 ]

The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7